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Title:
Simulating Gaia observations using a "Universe Model"
Authors:
Robin, A. C.; Reylé, C.; Grux, E.; The Gaia Dpac Consortium
Publication:
SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in Besançon, France. Eds.: M. Heydari-Malayeri, C. Reylé and R. Samadi, p.79
Publication Date:
11/2009
Origin:
AUTHOR
Bibliographic Code:
2009sf2a.conf...79R

Abstract

Preparing the Gaia mission requires large efforts dedicated to simulations of the observations. Several simulators have been constructed, generating telemetry, images, or the final database. All these tools use a "Universe Model" containing essentially the astronomical objects seen by Gaia and their characteristics, as well as a Relativity model and a radiation model for estimating the potential dammage to the CCDs. The construction of the Universe Model will be described, together with the computation of the astronomical sources characteristics, and the applications and limitations of such a model.
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